Factor out the greatest common factor. $18x+27$

Find all numbers that must be excluded from the domain of each rational expression. 7/(x−3)

Evaluate each expression in Exercises 1–12, or indicate that the root is not a real number. √36

In Exercises 1–4, is the algebraic expression a polynomial? If it is, write the polynomial in standard form. 2x+3x²−5

In Exercises 1–16, evaluate each algebraic expression for the given value or values of the variable(s). 7+5x, for x = 10

Evaluate each algebraic expression for the given value or value(s) of the variable(s). 3+6(x-2)³ for x = 4

In Exercises 1–16, evaluate each algebraic expression for the given value or values of the variable(s). 6x-y, for x=3 and y=8

In Exercises 1–10, factor out the greatest common factor. 3x²+6x

In Exercises 1–6, find all numbers that must be excluded from the domain of each rational expression. (x+5)/(x²−25)

Evaluate each expression in Exercises 1–12, or indicate that the root is not a real number. −√36

Is the algebraic expression a polynomial? If it is, write the polynomial in standard form. (2x+3)/x

Evaluate each exponential expression in Exercises 1–22. (−2)⁶

In Exercises 5–8, find the degree of the polynomial. 3x²−5x+4

In Exercises 1–6, find all numbers that must be excluded from the domain of each rational expression. (x−1)/(x²+11x+10)

Evaluate each exponential expression in Exercises 1–22. −2⁶

Factor out the greatest common factor. $9x^4-18x^3+27x^2$

In Exercises 1–16, evaluate each algebraic expression for the given value or values of the variable(s). x^2+3x, for x=8

Evaluate each expression in Exercises 1–12, or indicate that the root is not a real number. √−25

Evaluate each exponential expression in Exercises 1–22. (−3)⁰

In Exercises 5–8, find the degree of the polynomial. x²−4x³+9x−12x⁴+63

In Exercises 1–16, evaluate each algebraic expression for the given value or values of the variable(s). x²-6x+3, for x=7

In Exercises 7–14, simplify each rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression. (3x−9)/(x²−6x+9)

Evaluate each expression in Exercises 1–12, or indicate that the root is not a real number. √144+25

In Exercises 1–10, factor out the greatest common factor. x(2x+1)+4(2x+1)

In Exercises 9–14, perform the indicated operations. Write the resulting polynomial in standard form and indicate its degree. (−6x³+5x²−8x+9)+(17x³+2x²−4x−13)

In Exercises 1–16, evaluate each algebraic expression for the given value or values of the variable(s). 4+5(x-7)³, for x =9

Evaluate each expression in Exercises 1–12, or indicate that the root is not a real number. √25−√16

In Exercises 1–10, factor out the greatest common factor. x²(2x+5)+17(2x+5)